from utils import download_url
import argparse
import numpy as np
import PIL.Image
import dnnlib
import dnnlib.tflib as tflib
import re
import sys
from io import BytesIO
import IPython.display
from math import ceil
from PIL import Image, ImageDraw
import os
import pickle
from utils import log_progress, imshow, create_image_grid, show_animation
import imageio
import glob
import gdown
import gradio as gr
class Rasm:
def __init__(self, mode = 'calligraphy'):
if mode == 'calligraphy':
url = 'https://drive.google.com/uc?id=138fdURGxdkOwZq7IWvnrGLcfo5VI8O1R'
else:
url = 'https://drive.google.com/uc?id=13h-alXGI0hbNOJy1qbmeoroXZSPBHEG2'
output = 'model.pkl'
print('Downloading networks from "%s"...' %url)
gdown.download(url, output, quiet=False)
dnnlib.tflib.init_tf()
with dnnlib.util.open_url(output) as fp:
self._G, self._D, self.Gs = pickle.load(fp)
self.noise_vars = [var for name, var in self.Gs.components.synthesis.vars.items() if name.startswith('noise')]
# Generates a list of images, based on a list of latent vectors (Z), and a list (or a single constant) of truncation_psi's.
def generate_images_in_w_space(self, dlatents, truncation_psi):
Gs_kwargs = dnnlib.EasyDict()
Gs_kwargs.output_transform = dict(func=tflib.convert_images_to_uint8, nchw_to_nhwc=True)
Gs_kwargs.randomize_noise = False
Gs_kwargs.truncation_psi = truncation_psi
# dlatent_avg = self.Gs.get_var('dlatent_avg') # [component]
imgs = []
for _, dlatent in log_progress(enumerate(dlatents), name = "Generating images"):
#row_dlatents = (dlatent[np.newaxis] - dlatent_avg) * np.reshape(truncation_psi, [-1, 1, 1]) + dlatent_avg
# dl = (dlatent-dlatent_avg)*truncation_psi + dlatent_avg
row_images = self.Gs.components.synthesis.run(dlatent, **Gs_kwargs)
imgs.append(PIL.Image.fromarray(row_images[0], 'RGB'))
return imgs
def generate_images(self, zs, truncation_psi, class_idx = None):
Gs_kwargs = dnnlib.EasyDict()
Gs_kwargs.output_transform = dict(func=tflib.convert_images_to_uint8, nchw_to_nhwc=True)
Gs_kwargs.randomize_noise = False
if not isinstance(truncation_psi, list):
truncation_psi = [truncation_psi] * len(zs)
imgs = []
label = np.zeros([1] + self.Gs.input_shapes[1][1:])
if class_idx is not None:
label[:, class_idx] = 1
else:
label = None
for z_idx, z in log_progress(enumerate(zs), size = len(zs), name = "Generating images"):
Gs_kwargs.truncation_psi = truncation_psi[z_idx]
noise_rnd = np.random.RandomState(1) # fix noise
tflib.set_vars({var: noise_rnd.randn(*var.shape.as_list()) for var in self.noise_vars}) # [height, width]
images = self.Gs.run(z, label, **Gs_kwargs) # [minibatch, height, width, channel]
imgs.append(PIL.Image.fromarray(images[0], 'RGB'))
return imgs
def generate_from_zs(self, zs, truncation_psi = 0.5):
Gs_kwargs = dnnlib.EasyDict()
Gs_kwargs.output_transform = dict(func=tflib.convert_images_to_uint8, nchw_to_nhwc=True)
Gs_kwargs.randomize_noise = False
if not isinstance(truncation_psi, list):
truncation_psi = [truncation_psi] * len(zs)
for z_idx, z in log_progress(enumerate(zs), size = len(zs), name = "Generating images"):
Gs_kwargs.truncation_psi = truncation_psi[z_idx]
noise_rnd = np.random.RandomState(1) # fix noise
tflib.set_vars({var: noise_rnd.randn(*var.shape.as_list()) for var in self.noise_vars}) # [height, width]
images = self.Gs.run(z, None, **Gs_kwargs) # [minibatch, height, width, channel]
img = PIL.Image.fromarray(images[0], 'RGB')
imshow(img)
def generate_random_zs(self, size):
seeds = np.random.randint(2**32, size=size)
zs = []
for _, seed in enumerate(seeds):
rnd = np.random.RandomState(seed)
z = rnd.randn(1, *self.Gs.input_shape[1:]) # [minibatch, component]
zs.append(z)
return zs
def generate_zs_from_seeds(self, seeds):
zs = []
for _, seed in enumerate(seeds):
rnd = np.random.RandomState(seed)
z = rnd.randn(1, *self.Gs.input_shape[1:]) # [minibatch, component]
zs.append(z)
return zs
# Generates a list of images, based on a list of seed for latent vectors (Z), and a list (or a single constant) of truncation_psi's.
def generate_images_from_seeds(self, seeds, truncation_psi):
ima = self.generate_images(self.generate_zs_from_seeds(seeds), truncation_psi)[0]
return ima, imshow(ima)
def generate_randomly(self, truncation_psi = 0.5):
ima, dis = self.generate_images_from_seeds(np.random.randint(4294967295, size=1), truncation_psi=truncation_psi)
return ima, dis
def generate_grid(self, truncation_psi = 0.7):
seeds = np.random.randint((2**32 - 1), size=9)
return create_image_grid(self.generate_images(self.generate_zs_from_seeds(seeds), truncation_psi), 0.7 , 3)
def generate_animation(self, size = 9, steps = 10, trunc_psi = 0.5):
seeds = list(np.random.randint((2**32) - 1, size=size))
seeds = seeds + [seeds[0]]
zs = self.generate_zs_from_seeds(seeds)
imgs = self.generate_images(self.interpolate(zs, steps = steps), trunc_psi)
movie_name = 'animation.mp4'
with imageio.get_writer(movie_name, mode='I') as writer:
for image in log_progress(list(imgs), name = "Creating animation"):
writer.append_data(np.array(image))
return show_animation(movie_name)
def convertZtoW(self, latent, truncation_psi=0.7, truncation_cutoff=9):
dlatent = self.Gs.components.mapping.run(latent, None) # [seed, layer, component]
dlatent_avg = self.Gs.get_var('dlatent_avg') # [component]
for i in range(truncation_cutoff):
dlatent[0][i] = (dlatent[0][i]-dlatent_avg)*truncation_psi + dlatent_avg
return dlatent
def interpolate(self, zs, steps = 10):
out = []
for i in range(len(zs)-1):
for index in range(steps):
fraction = index/float(steps)
out.append(zs[i+1]*fraction + zs[i]*(1-fraction))
return out
#-------------------- Rasm Demo--------------------------
def model(mode, output):
model=rasm.Rasm(mode=mode)
if output=='Generate Art Randomly':
ima,res= model.generate_randomly()
elif output=='Generate Art Grid':
ima = model.generate_grid()
elif output=='Generate Art Animation':
ima = model.generate_animation(size = 2, steps = 20)
return ima
imageout=gr.outputs.Image(model,
[
gr.Radio(["calligraphy", "mosaics"],label="Type of Arbic Art"),
gr.Radio(["Generate Art Randomly", "Generate Art Grid", "Generate Art Animation"],label="How do you prefer the output visualization" ),
],
outputs=imageout
)
demo.launch()